IE34250B1 - Itaconic acid purification process using reverse osmosis - Google Patents

Itaconic acid purification process using reverse osmosis

Info

Publication number
IE34250B1
IE34250B1 IE704/70A IE70470A IE34250B1 IE 34250 B1 IE34250 B1 IE 34250B1 IE 704/70 A IE704/70 A IE 704/70A IE 70470 A IE70470 A IE 70470A IE 34250 B1 IE34250 B1 IE 34250B1
Authority
IE
Ireland
Prior art keywords
itaconic acid
reverse osmosis
permeable
water
purification process
Prior art date
Application number
IE704/70A
Other languages
English (en)
Other versions
IE34250L (en
Original Assignee
Pfizer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer filed Critical Pfizer
Publication of IE34250L publication Critical patent/IE34250L/xx
Publication of IE34250B1 publication Critical patent/IE34250B1/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IE704/70A 1969-06-16 1970-06-02 Itaconic acid purification process using reverse osmosis IE34250B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83372469A 1969-06-16 1969-06-16

Publications (2)

Publication Number Publication Date
IE34250L IE34250L (en) 1970-12-16
IE34250B1 true IE34250B1 (en) 1975-03-19

Family

ID=25265112

Family Applications (1)

Application Number Title Priority Date Filing Date
IE704/70A IE34250B1 (en) 1969-06-16 1970-06-02 Itaconic acid purification process using reverse osmosis

Country Status (6)

Country Link
US (1) US3544455A (pt)
JP (1) JPS4746345B1 (pt)
BR (1) BR7019663D0 (pt)
FR (1) FR2051107A5 (pt)
GB (1) GB1224157A (pt)
IE (1) IE34250B1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873425A (en) * 1971-11-19 1975-03-25 Tatsuyoshi Kobayashi Process for producing itaconic acid
GB1509543A (en) * 1974-05-16 1978-05-04 Unilever Ltd Purification process
DE2450670A1 (de) * 1974-10-25 1976-04-29 Benckiser Gmbh Joh A Verfahren zur abtrennung von citrat oder citronensaeure aus fermentationsloesungen
US4560746A (en) * 1983-03-28 1985-12-24 The Hilton-Davis Chemical Co. Ultrafiltration process for purification of dyes useful in foodstuffs
JPH0657719B2 (ja) * 1986-06-03 1994-08-03 味の素株式会社 α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステルの回収方法
US4956458A (en) * 1988-05-13 1990-09-11 Warner-Lambert Company Purification of polydextrose by reverse osmosis
EP3919543A3 (en) 2005-04-22 2022-03-16 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
JP2018526969A (ja) 2015-06-04 2018-09-20 バイオアンバー インコーポレイテッドＢｉｏａｍｂｅｒ Ｉｎｃ． 官能基化アルファ置換アクリレートおよびｃ４ジカルボキシレートのバイオベース産生

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272737A (en) * 1964-11-02 1966-09-13 Dow Chemical Co Separation of acids by dialysis with anion-exchange membranes
US3244620A (en) * 1964-11-02 1966-04-05 Dow Chemical Co Separation of acid from polymers by dialysis with anion-exchange membranes

Also Published As

Publication number Publication date
BR7019663D0 (pt) 1973-08-09
DE2027698A1 (de) 1971-01-14
FR2051107A5 (pt) 1971-04-02
DE2027698B2 (pt) 1975-06-05
JPS4746345B1 (pt) 1972-11-22
IE34250L (en) 1970-12-16
GB1224157A (en) 1971-03-03
US3544455A (en) 1970-12-01

Similar Documents

Publication Publication Date Title
ES417934A1 (es) Procedimiento para purificar y concentrar una solucion acuo-sa de polisacarido derivada de algas marinas.
EP0361092A3 (en) Interfacially sythesized reverse osmosis membrane containing an amine salt and processes for preparing the same
ES270609A1 (es) Un procedimiento de tratar soluciones
KR860007338A (ko) 수용성 유기 염료 조성물의 제조방법
GB1470242A (en) Method and installation for the treatment of waste water
IE34250B1 (en) Itaconic acid purification process using reverse osmosis
GB1361674A (en) Process for the purification and clarification of sugar juices
ATE40952T1 (de) Verbundmaterial, verfahren zu seiner herstellung und seine verwendung in der osmotischen reinigung von fluessigkeiten.
KR850001750A (ko) 설포-아데노실-l-메티오닌염의 제조방법
YU55891A (sh) Postupak za izdvajanje vode iz razblaženog vodenog rastvora n-metilformolina-n-oksida, n-metilformolina, morfolina ili njihovih smeša
BE746629A (fr) Procede pour la formation de membranes semi-permeables pour dessalementd'eaux saumatres et marines, par hyperfiltration, et membranes produites par le susdit procede
Frank Desalination of sea water
ES2006296A6 (es) Un procedimiento mejorado para preparar alcoholes.
EP0082705A1 (en) Sea water desalination process
ES8302756A1 (es) Procedimiento para la obtencion de preparados colorantes acuosos,concentrados,de colorantes anionicos acuosolubles
ATE211117T1 (de) Verfahren zur reinigung von alkalimetallsilikatlösungen
ES403706A1 (es) Mejoras introducidas en un procedimiento para reducir el contenido de agua de productos residuales acuosos.
ATE45101T1 (de) Verfahren zur trennung von gemischen aus wasser und einer organischen verbindungund selektiv wasserdurchlassende membran.
JPS5469579A (en) Separating method for solution
FR2413108A1 (fr) Procede pour la fabrication de membranes semi-permeables
GB1420123A (en) Process for manufacturing cellulose acetate reverse osmosis membranes
ATE72830T1 (de) Verfahren zur herstellung von gereinigter glukoseisomerase.
Robinson et al. Oxygen Injection in Reverse Osmosis Desalination
GB1272574A (en) Improvements in or relating to semipermeable membranes and to the method of preparing same
GB1298861A (en) The purification of tail gases from sulphur production